Liberty, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.5 °C (low) to 21.1 °C (high). Annual precipitation averages 1439.2 Millimeters. Liberty is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.4 °C | 8.6 °C | 120.65 mm |
| February | -0.9 °C | 11 °C | 124.97 mm |
| March | 2.8 °C | 15.9 °C | 135.64 mm |
| April | 7.5 °C | 21.4 °C | 123.95 mm |
| May | 13.1 °C | 25.9 °C | 128.27 mm |
| June | 17.7 °C | 29.9 °C | 138.18 mm |
| July | 19.9 °C | 31.7 °C | 131.57 mm |
| August | 19 °C | 31.4 °C | 99.06 mm |
| September | 15.2 °C | 28.4 °C | 100.84 mm |
| October | 8.4 °C | 22.4 °C | 87.38 mm |
| November | 2.6 °C | 15.8 °C | 99.57 mm |
| December | -0.4 °C | 10.4 °C | 149.1 mm |
| Annual | 8.5 °C | 21.1 °C | 1439.18 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |